23222100212231 has 2 divisors, whose sum is σ = 23222100212232. Its totient is φ = 23222100212230.

The previous prime is 23222100212221. The next prime is 23222100212237. The reversal of 23222100212231 is 13221200122232.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23222100212231 - 2²² = 23222096017927 is a prime.

It is a super-2 number, since 2×23222100212231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23222100212197 and 23222100212206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23222100212237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611050106115 + 11611050106116.

It is an arithmetic number, because the mean of its divisors is an integer number (11611050106116).

Almost surely, 2^{23222100212231} is an apocalyptic number.

23222100212231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23222100212231 is an equidigital number, since it uses as much as digits as its factorization.

23222100212231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 23222100212231 its reverse (13221200122232), we get a palindrome (36443300334463).

The spelling of 23222100212231 in words is "twenty-three trillion, two hundred twenty-two billion, one hundred million, two hundred twelve thousand, two hundred thirty-one".